package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 自定义异常
 *
 * @author fuzm
 * @date 2021/7/28
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {


    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handlerException(MethodArgumentNotValidException e) {
        log.error("出现异常{}", e.getMessage());
        BindingResult bindingResult = e.getBindingResult();

        Map<String, String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach(b -> {
            map.put(b.getField(), b.getDefaultMessage());
        });

        return R.error(BizCodeEnume.VATLD_EXCEPTION.getCode(), BizCodeEnume.VATLD_EXCEPTION.getMsg()).put("data", map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handlerException(Throwable t) {

        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(), BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }

}
